KR840004980A - Voltage generator - Google Patents

Voltage generator Download PDF

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Publication number
KR840004980A
KR840004980A KR1019830002068A KR830002068A KR840004980A KR 840004980 A KR840004980 A KR 840004980A KR 1019830002068 A KR1019830002068 A KR 1019830002068A KR 830002068 A KR830002068 A KR 830002068A KR 840004980 A KR840004980 A KR 840004980A
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KR
South Korea
Prior art keywords
signal
switching device
switching
oscillator
voltage
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Application number
KR1019830002068A
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Korean (ko)
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KR880001710B1 (en
Inventor
프리드 쉬스 디트
Original Assignee
아. 엠. 레르너
엔. 브이. 필립스 글로아이람펜 파브리켄
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Publication of KR840004980A publication Critical patent/KR840004980A/en
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Publication of KR880001710B1 publication Critical patent/KR880001710B1/en

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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
    • G11B5/592Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00Head arrangements not specific to the method of recording or reproducing
    • G11B21/02Driving or moving of heads
    • G11B21/10Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/80Constructional details
    • H10N30/802Drive or control circuitry or methods for piezoelectric or electrostrictive devices not otherwise provided for

Abstract

내용 없음No content

Description

전압 발생 회로Voltage generating circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 위치 결정장치의 압전소자용 작동전압을 발생시키는 본 발명에 따른 회로도의 블록선도.1 is a block diagram of a circuit diagram according to the present invention for generating an operating voltage for a piezoelectric element of a positioning device.

제3도는 제3도의 링복조기가 구비되게한 제1도의 회로도에서 사용하는데 적합한 링변조기의 회로도.3 is a circuit diagram of a ring modulator suitable for use in the circuit diagram of FIG. 1 incorporating the ring demodulator of FIG.

제5도는 트랜스를 푸쉬-풀 결합용 프랜스로 구성시킨 회로도.5 is a circuit diagram of a transformer composed of a push-pull coupling flange.

Claims (12)

제어신호가 신호 변환단에 인가되는 위치 오차를 나타내고, 그의 출력신호가 트랜스의 일차 권선에 인가되며, 압전소자에 바이폴라 스위칭 장치를 경유하여 상기 트랜스의 2차 권선에 접속 시키는데 이 스위칭 장치가 신호 변환단의 출력 신호에 대하여 특 정한 관계로 스위칭 신호에 의하여 교대로 작동시켜서, 정보트랙에 대해 기록 재생 헤드를 위치 결정하도록 특별히 의도된 위치 결정 장치의 압전소자를 위한 작용 전압을 발생시키는 회로에 있어서, 신호 변환단이 진폭 변조기로 구성되고, 그에는 위치 오차를 나타내는 진폭을 가진 제어 신호가 인가되게 하면서, 발진기로 부터 주기적인 반송파 신호가 인가되게하는데, 이 반송파 신호가 제어 신호보다 비교적 더 큰 부주파수를 가지게 하고, 상기 반송파 신호로 부터 스위칭 장치를 작동시키는 주기적인 펄스 발생 스위칭 신호가 펄스 발생단에 의하여 발생되게 하는데, 이 스위칭 신호를 반송파 신호의 두가지 진폭 피이크치중 어느 한 피이크치에 일치되게 하면서 신호의 1/2주기보다 더 작은 펄스폭을 갖게 한 것을 특징으로 하는 전압 발생회로.The control signal indicates a position error applied to the signal conversion stage, the output signal thereof is applied to the primary winding of the transformer, and the piezoelectric element is connected to the secondary winding of the transformer via a bipolar switching device. A circuit for generating an operating voltage for a piezoelectric element of a positioning device specifically designed to position a recording / playing head relative to an information track by alternately operating by a switching signal in a specific relationship with respect to the output signal of the stage. The signal conversion stage is composed of an amplitude modulator, to which a control signal having an amplitude indicative of a position error is applied, while a periodic carrier signal is applied from the oscillator, which subcarrier signal is relatively larger than the control signal. And operating a switching device from the carrier signal. The pulse generating switching signal is generated by the pulse generating stage, which makes the switching signal coincide with one of the two amplitude peaks of the carrier signal while having a pulse width smaller than one-half period of the signal. A voltage generating circuit characterized in that. 제1항에 있어서, 신호 변환단을 억제 반송파 진폭 변조기로 구성한 전압 발생 회로.2. The voltage generating circuit according to claim 1, wherein the signal conversion stage is composed of a suppressed carrier amplitude modulator. 제2항에 있어서, 진폭 변조기를 링 변조기로 구성한 전압 발생 회로.3. The voltage generator circuit of claim 2 wherein the amplitude modulator comprises a ring modulator. 상기 전체 항중어느한 항에 있어서, 트랜스가 반송파 신호의 기본파 주파수의 병렬공진 주파수에 동조되게한 전압 발생회로.The voltage generating circuit according to any one of the preceding claims, wherein the transformer is tuned to the parallel resonant frequency of the fundamental wave frequency of the carrier signal. 상기 전체 항중 어느한 정에 있어서, 발진기가 정현과 신호를 공급하는 발진기로 구성되게 한 전압발생회로.The voltage generating circuit according to any one of the preceding claims, wherein the oscillator comprises an oscillator for supplying a sinusoidal signal. 상기 전체항중 어느한 상에 있어서, 발진기를 톱니파 신호를 공급하는 발진기로 구성시킨 전압 발생회로.The voltage generating circuit according to any one of the preceding claims, wherein the oscillator is composed of an oscillator for supplying a sawtooth wave signal. 제6항에 있어서, 발진기를 대칭적인 톱니파 신호를 공급하는 발진기로 구성시킨 전압 발생회로.7. The voltage generating circuit according to claim 6, wherein the oscillator is constituted by an oscillator for supplying a symmetric sawtooth wave signal. 상기 전체항중 어느한가지 항에 있어서, 스위칭 장치를 작동시키는 스위칭 신호의 펄스폭이 반송파 신호 주기 1/10의 크기를 갖게 한 전압 발생회로.The voltage generating circuit according to any one of the preceding claims, wherein the pulse width of the switching signal for operating the switching device has a magnitude of 1/10 of the carrier signal period. 상기 전체 항중 어느한 상에 있어서, 위치 결정 장치의 수에 해당하는 적어도 두개 이상의 압전소자 각각을 위하여 작동전압을 발생시키는 진폭 변조기와 스위칭 장치를 설치하고, 모든 진폭 변조기와 반송파 신호를 발생시키는 단 하나의 발진기를 설치하며, 모든 스위칭 장치의 작동용 스위칭 신호를 발생시키는 단 하나의 펄스 발생단을 설치한 전압 발생회로.In any one of the above clauses, an amplitude modulator and a switching device for generating an operating voltage for each of at least two piezoelectric elements corresponding to the number of positioning devices are provided, and only one for generating all amplitude modulators and carrier signals. Voltage generator circuit with oscillator and single pulse generator for generating switching signals for operation of all switching devices. 제9항에 있어서, 스위칭 장치에는 다이오드가 트랜지스터와 병렬로 배열되게 하면서 트랜지스터의 콜렉터와 직렬로 배열되게 하고, 두개의 트랜지스터가 서로 반대의 도전형이며 두개의 다이오드가 그에 관련시킨 트랜지스터에 대하여 순방향으로 연결되게 하면서 그에 관련된 압전소자에 대하여 트랜스 2차 권선의 일측 단부에 접속되게 하는데, 이 압전소자를 상기 트랜지스터의 상기 2차 권선 타측단부에 접속되게 하는 동기에 위항이 반대인 스위칭 신호를 상기두개의 트랜지스터가, 그의 베이스가 수신하는 모든 스위칭 장치로 설치되게 하고 두개의 분리 다이오드가 각각의 스위칭 장치로 설치되게 하여 동일 방향으로 접속된 모든 다이오드가 그에 관련된 트랜지스터의 콜렉터와 병렬로 배열되게 한 전압 발생회로.10. The switching device of claim 9, wherein the switching device has the diodes arranged in parallel with the transistors in series with the collectors of the transistors, the two transistors being of opposite conductivity type and the two diodes being forward in relation to the transistors associated therewith. The two piezoelectric elements connected to one end of the transformer secondary winding to the associated piezoelectric element, the two switching signals being opposite in synchronous to the piezoelectric element being connected to the other end of the secondary winding of the transistor. A voltage generator circuit in which a transistor is installed in every switching device whose base is received and two separate diodes are installed in each switching device so that all diodes connected in the same direction are arranged in parallel with the collector of the transistors associated with it. . 상기 1항 내지 9항중 어느한 상에 있어서, 스위칭 장치를 트라이액으로 구성하여 그의 홀드전류가압전소자 작동시 그를 경유하여 흐르는 최대 전류보다 크게한 전압 발생회로.The voltage generating circuit according to any one of claims 1 to 9, wherein the switching device is constituted by a triac and is larger than the maximum current flowing through the hold current of the piezoelectric element during its operation. 상기 1항 내지 9항중 어느한 항에 있어서, 스위칭 장치를 브릿지 정류기로 구성시켜 그의 대각선부가 트랜스의 2차 권선 및 압전소자 사이에 배열되게 하고 다른 대각선부에는 스위칭 신호에 의하여 구동되는 트랜지스터가 배열되게 한 전압 발생회로.10. The switching device according to any one of the preceding claims, wherein the switching device is constituted by a bridge rectifier such that its diagonal portion is arranged between the secondary winding of the transformer and the piezoelectric element, and on the other diagonal portion, a transistor driven by a switching signal is arranged. One voltage generator circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019830002068A 1982-05-13 1983-05-10 Circuit arrangement for generating an actuating signal KR880001710B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ATA1887 1982-05-13
AT1887 1982-05-13
AT0188782A AT379269B (en) 1982-05-13 1982-05-13 CIRCUIT ARRANGEMENT FOR GENERATING A CONTROL VOLTAGE FOR A PIEZOELECTRICAL ELEMENT OF A POSITIONING DEVICE

Publications (2)

Publication Number Publication Date
KR840004980A true KR840004980A (en) 1984-10-31
KR880001710B1 KR880001710B1 (en) 1988-09-07

Family

ID=3523166

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Application Number Title Priority Date Filing Date
KR1019830002068A KR880001710B1 (en) 1982-05-13 1983-05-10 Circuit arrangement for generating an actuating signal

Country Status (9)

Country Link
US (1) US4514773A (en)
EP (1) EP0094712B1 (en)
JP (1) JPS58218082A (en)
KR (1) KR880001710B1 (en)
AT (2) AT379269B (en)
AU (1) AU558755B2 (en)
CA (1) CA1211556A (en)
DE (1) DE3362159D1 (en)
ES (1) ES8404540A1 (en)

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JPS61285082A (en) * 1985-06-10 1986-12-15 Toshiba Corp Displacement generator
JPH0711903B2 (en) * 1987-06-12 1995-02-08 旭光学工業株式会社 Magnetic disk recording / reproducing device
US5051646A (en) * 1989-04-28 1991-09-24 Digital Instruments, Inc. Method of driving a piezoelectric scanner linearly with time
US6975123B1 (en) * 2000-12-20 2005-12-13 Maxtor Corporation Method and apparatus for calibrating piezoelectric driver in dual actuator disk drive
US8391514B2 (en) 2010-06-14 2013-03-05 Parametric Sound Corporation Parametric transducer systems and related methods
JP5893307B2 (en) * 2011-09-13 2016-03-23 キヤノン株式会社 Drive device for vibration actuator
US9036831B2 (en) 2012-01-10 2015-05-19 Turtle Beach Corporation Amplification system, carrier tracking systems and related methods for use in parametric sound systems
US8958580B2 (en) 2012-04-18 2015-02-17 Turtle Beach Corporation Parametric transducers and related methods
US8934650B1 (en) 2012-07-03 2015-01-13 Turtle Beach Corporation Low profile parametric transducers and related methods
US8903104B2 (en) 2013-04-16 2014-12-02 Turtle Beach Corporation Video gaming system with ultrasonic speakers
US9332344B2 (en) 2013-06-13 2016-05-03 Turtle Beach Corporation Self-bias emitter circuit
US8988911B2 (en) 2013-06-13 2015-03-24 Turtle Beach Corporation Self-bias emitter circuit

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US3551764A (en) * 1969-02-28 1970-12-29 Lockheed Aircraft Corp Piezoelectric linear actuator
GB1259576A (en) * 1969-05-08 1972-01-05
US4151570A (en) * 1976-03-22 1979-04-24 Ampex Corporation Automatic scan tracking using a magnetic head supported by a piezoelectric bender element
NL7805804A (en) * 1978-05-29 1979-12-03 Philips Nv DEVICE FOR APPLYING A CONTROL VOLTAGE OVER A PIEEZO ELECTRICAL POSITIONING ELEMENT.
US4314174A (en) * 1980-03-25 1982-02-02 Litton Systems, Inc. Piezoelectric transducer drive having temperature compensation

Also Published As

Publication number Publication date
ES522287A0 (en) 1984-04-16
US4514773A (en) 1985-04-30
EP0094712A1 (en) 1983-11-23
ATE18104T1 (en) 1986-03-15
AT379269B (en) 1985-12-10
AU558755B2 (en) 1987-02-05
DE3362159D1 (en) 1986-03-27
JPS58218082A (en) 1983-12-19
ES8404540A1 (en) 1984-04-16
KR880001710B1 (en) 1988-09-07
AU1445583A (en) 1983-11-17
ATA188782A (en) 1985-04-15
CA1211556A (en) 1986-09-16
EP0094712B1 (en) 1986-02-19

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